The Tax Information Exchange Agreements are bilateral agreements which govern and promote the cooperation in tax matters and establishes an effective change of tax information for the purpose of countering harmful tax practices. Samoa has signed TIEAs with the following countries:
| Countries | Date of signature |
|---|---|
| San Marino | 1-Sep-09 |
| Principality of Monaco | 7-Sep-09 |
| Kingdom of the Netherlands | 14-Sep-09 |
| Ireland | 8-Dec-09 |
| Australia | 16-Dec-09 |
| Sweden | 16-Dec-09 |
| Finland | 16-Dec-09 |
| Greenland | 16-Dec-09 |
| Iceland | 16-Dec-09 |
| Norway | 16-Dec-09 |
| Faroes | 16-Dec-09 |
| Denmark | 16-Dec-09 |
| New Zealand | 26-Aug-10 |
| Mexico | 30-Nov-11 |
| Republic of South Africa | 4-Jul-12 |
| Japan | 4-Jun-13 |
| Korea | 15-May-15 |
